remove some calls to to-be-deprecated v8::Value::To* functions

content/shell/renderer/test_runner/test_runner.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/shell/renderer/test_runner/test_runner.h"
 
 #include <limits>
 
 #include "base/logging.h"
 #include "content/public/test/layouttest_support.h"
@@ skipping 2142 matching lines @@
 }
 
 void TestRunner::SetIsolatedWorldSecurityOrigin(int world_id,
                                                 v8::Handle<v8::Value> origin) {
   if (!(origin->IsString() || !origin->IsNull()))
     return;
 
   WebSecurityOrigin web_origin;
   if (origin->IsString()) {
     web_origin = WebSecurityOrigin::createFromString(
-        V8StringToWebString(origin->ToString()));
+        V8StringToWebString(origin.As<v8::String>()));
   }
   web_view_->focusedFrame()->setIsolatedWorldSecurityOrigin(world_id,
                                                             web_origin);
 }
 
 void TestRunner::SetIsolatedWorldContentSecurityPolicy(
     int world_id,
     const std::string& policy) {
   web_view_->focusedFrame()->setIsolatedWorldContentSecurityPolicy(
       world_id, WebString::fromUTF8(policy));
@@ skipping 298 matching lines @@
 }
 
 void TestRunner::OverridePreference(const std::string key,
                                     v8::Handle<v8::Value> value) {
   TestPreferences* prefs = delegate_->Preferences();
   if (key == "WebKitDefaultFontSize") {
     prefs->default_font_size = value->Int32Value();
   } else if (key == "WebKitMinimumFontSize") {
     prefs->minimum_font_size = value->Int32Value();
   } else if (key == "WebKitDefaultTextEncodingName") {
-    prefs->default_text_encoding_name = V8StringToWebString(value->ToString());
+    v8::Isolate* isolate = blink::mainThreadIsolate();
+    prefs->default_text_encoding_name =
+        V8StringToWebString(value->ToString(isolate));
   } else if (key == "WebKitJavaScriptEnabled") {
     prefs->java_script_enabled = value->BooleanValue();
   } else if (key == "WebKitSupportsMultipleWindows") {
     prefs->supports_multiple_windows = value->BooleanValue();
   } else if (key == "WebKitDisplayImagesKey") {
     prefs->loads_images_automatically = value->BooleanValue();
   } else if (key == "WebKitPluginsEnabled") {
     prefs->plugins_enabled = value->BooleanValue();
   } else if (key == "WebKitJavaEnabled") {
     prefs->java_enabled = value->BooleanValue();
@@ skipping 470 matching lines @@
 }
 
 void TestRunner::DidLosePointerLockInternal() {
   bool was_locked = pointer_locked_;
   pointer_locked_ = false;
   if (was_locked)
     web_view_->didLosePointerLock();
 }
 
 }  // namespace content